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by nickbauman 1351 days ago
I believe your comment might be a bit too broad for the claims you're making.

Arguably, the most advanced "tech stack" for moving trains around rail systems today (at scale, with the highest safety rating) is based around the Sicas ECC electronic interlocking by Siemens.

However, this article is merely about the technology used for collection of fares for the NYC metro rail system.